#ifndef __std_string_h_
#define __std_string_h_

void *memcpy(void *des, const void *src, unsigned int n);
int memcmp(const void *des, const void *src, unsigned int n);
void *memmove(void *des, const void *src, unsigned int n);
void *memset(void *des, unsigned char value, unsigned int n);
int strlen(const char *str);
int strcmp(const char *str1, const char *str2);
char *strcpy(char *des, const char *src);
char *safestrcpy(char *des, const char *src, int n);
char *strcat(char *des, const char *src);
char *strstr(const char *str, const char *target);
int atoi(const char *src);

#endif
